/**
 * Copyright 2012 ibiblio
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.ibiblio.terasaur.taglib

import java.text.Normalizer
import java.io.File
import org.ibiblio.terasaur.ui.DataFormatter
import org.joda.time.format.DateTimeFormatter
import org.joda.time.format.DateTimeFormat

import org.springframework.web.servlet.support.RequestContextUtils as RCU
import org.apache.commons.lang.time.FastDateFormat
import org.springframework.util.StringUtils
import org.springframework.context.NoSuchMessageException

class DataFormatterTagLib {
    static namespace = 'ts'
    static DataFormatter _dataFormatter

    def formatFileSize = { attrs ->
        Double size
        int precision

        if (attrs && attrs.containsKey('file_size')) {
            size = new Double(attrs.file_size)
        } else {
            size = 0
        }
        if (attrs && attrs.containsKey('precision')) {
            precision = new Integer(attrs.precision)
        } else {
            precision = 2
        }

        DataFormatter df = _getDataFormatter()
        out << df.formatBytes(size, precision)
    }

    private DataFormatter _getDataFormatter() {
        if (!_dataFormatter) {
            _dataFormatter = new DataFormatter()
        }
        return _dataFormatter
    }

}
